package io;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * 文件复制(单字节读写)
 */
public class CopyDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("Car.jpg");
        FileOutputStream fos=new FileOutputStream("Car_c.jpg");
        long star=System.currentTimeMillis();
        int d;
        while ((d=fis.read())!=-1){
            fos.write(d);
        }
        long end=System.currentTimeMillis();
        System.out.println("复制耗时为:"+(end-star));
        fis.close();
        fos.close();
    }
}
